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Data Grid
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Data Binding
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Paging and Scrolling
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Editing
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Grouping
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Filtering and Sorting
- Focused Row
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Row Drag & Drop
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Selection
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Columns
- State Persistence
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Appearance
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Templates
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Data Summaries
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Master-Detail
-
Export to PDF
-
Export to Excel
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Adaptability
- Keyboard Navigation
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Pivot Grid
- Overview
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Data Binding
-
Field Chooser
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Features
-
Export to Excel
-
Tree List
- Overview
-
Data Binding
- Sorting
- Paging
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Editing
- Node Drag & Drop
- Focused Row
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Selection
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Filtering
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Column Customization
- State Persistence
- Adaptability
- Keyboard Navigation
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Scheduler
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Data Binding
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Views
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Features
- Virtual Scrolling
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Grouping
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Customization
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Html Editor
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Chat
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Diagram
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Data Binding
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Featured Shapes
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Custom Shapes
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Document Capabilities
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User Interaction
- UI Customization
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Charts
- Overview
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Data Binding
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Area Charts
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Bar Charts
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Doughnut Charts
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Pie Charts
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Point Charts
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Tree Map
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More Features
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Export
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Selection
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Tooltips
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Zooming
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Data
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Gauges
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Menu
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Range Selector
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Context Menu
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Maps
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Map
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Vector Map
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Dialogs and Notifications
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Localization
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React Range Selector - Use Range Selection for Calculation
The RangeSelector component allows you to handle changes of the currently selected range. For this purpose, the callback function is specified in the onValueChanged property. Select the function’s call mode using the «Handle Range Changes» drop-down menu.
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Backend API
x
import React, { useCallback, useState } from 'react';
import RangeSelector, {
Margin, Scale, MinorTick, Marker, Label, Behavior, SliderMarker, RangeSelectorTypes, IBehaviorProps,
} from 'devextreme-react/range-selector';
import { SelectBox } from 'devextreme-react/select-box';
const startValue = new Date(2011, 0, 1);
const endValue = new Date(2011, 11, 31);
const behaviorModes: (IBehaviorProps['valueChangeMode'])[] = ['onHandleMove', 'onHandleRelease'];
const valueChangeModeLabel = { 'aria-label': 'Value Change Mode' };
function App() {
const [workingDaysCount, setWorkingDaysCount] = useState(
calculateWorkdays([startValue, endValue]),
);
const [behaviorMode, setBehaviorMode] = useState(behaviorModes[0]);
const processRange = useCallback((e: RangeSelectorTypes.ValueChangedEvent) => {
setWorkingDaysCount(calculateWorkdays(e.value));
}, [setWorkingDaysCount]);
const setBehavior = useCallback((data) => {
setBehaviorMode(data.value);
}, [setBehaviorMode]);
return (
<div id="range-selector-demo">
<RangeSelector
id="range-selector"
title="Calculate the Working Days Count in a Date Period"
onValueChanged={processRange}
>
<Margin top={50} />
<Scale startValue={startValue} endValue={endValue} minorTickInterval="day" tickInterval="month">
<MinorTick visible={false} />
<Marker visible={false} />
<Label format="MMM" />
</Scale>
<Behavior valueChangeMode={behaviorMode} />
<SliderMarker format="dd EEEE" />
</RangeSelector>
<h2>Working days count: {workingDaysCount}</h2>
<div className="options">
<div className="caption">Options</div>
<div className="option">
<span>Handle Range Changes </span>
<SelectBox
dataSource={behaviorModes}
width={210}
inputAttr={valueChangeModeLabel}
value={behaviorMode}
onValueChanged={setBehavior}
/>
</div>
</div>
</div>
);
}
function calculateWorkdays([start, end]: (string | number | Date)[]) {
const currentDate = new Date(start);
let workingDaysCount = 0;
while (currentDate <= end) {
if (currentDate.getDay() > 0 && currentDate.getDay() < 6) {
workingDaysCount += 1;
}
currentDate.setDate(currentDate.getDate() + 1);
}
return workingDaysCount;
}
export default App;
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